ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,263, issued on Sept. 22, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Reactor" was invented by Seong Beom Heo (Daejeon, South Korea), Jin Lee (Daejeon, South Korea), Jong Yeol Baek (Daejeon, South Korea) and Won Hee Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reactor is disclosed herein. In some embodiments, a reactor comprises a reactor tank having an accommodation space therein for performing a polymerization reaction of a reactive fluid, an outer refrigerant jacket positioned outside the reactor tank and having a refrigerant flowing therethrough, and an inner refrigerant jacket inside the reactor tank and ha...